:root{--bg-app: #f8fafc;--bg-card: #ffffff;--text-primary: #0f172a;--text-secondary: #64748b;--border-subtle: #e2e8f0;--primary-accent: #6366f1;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--radius-md: .75rem;--radius-lg: 1rem}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;background-color:var(--bg-app);color:var(--text-primary);line-height:1.5}#root{width:100%;min-height:100vh;display:flex;flex-direction:column}.container{max-width:1400px;margin:0 auto;padding:2rem;width:100%;box-sizing:border-box}.grid-dashboard{display:grid;grid-template-columns:repeat(1,1fr);gap:1.5rem}@media(min-width:768px){.grid-dashboard{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){.grid-dashboard{grid-template-columns:repeat(3,1fr)}}.card{background-color:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-sm);transition:box-shadow .2s ease,transform .2s ease}.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.card-title{font-size:.875rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.metric-value{font-size:2rem;font-weight:700;color:var(--text-primary);letter-spacing:-.025em}.metric-delta{font-size:.875rem;font-weight:500;display:flex;align-items:center;gap:.25rem}.delta-up{color:var(--success)}.delta-down{color:var(--danger)}.table-container{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:.875rem}th{text-align:left;padding:.75rem 1rem;border-bottom:1px solid var(--border-subtle);color:var(--text-secondary);font-weight:500}td{padding:.75rem 1rem;border-bottom:1px solid var(--border-subtle);color:var(--text-primary)}tr:last-child td{border-bottom:none}tfoot td{font-weight:700;color:var(--text-primary);border-top:2px solid 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.5rem}.sidebar-nav{display:flex;flex-direction:column;gap:.25rem}.nav-item{display:flex;align-items:center;gap:.75rem;width:100%;padding:.625rem .75rem;border:none;background:transparent;border-radius:var(--radius-md);color:var(--text-secondary);font-family:inherit;font-size:.875rem;font-weight:500;text-align:left;cursor:pointer;transition:background-color .15s ease,color .15s ease}.nav-item:hover{background-color:var(--bg-app);color:var(--text-primary)}.nav-item-active,.nav-item-active:hover{background-color:var(--primary-accent);color:#fff}.topbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding:1rem 2rem;border-bottom:1px solid var(--border-subtle);background-color:var(--bg-card);position:sticky;top:0;z-index:10}.filter-bar{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}.topbar-left{display:flex;align-items:center;gap:1rem;min-width:0}.topbar-right{display:flex;align-items:center;gap:1rem}.topbar-title{margin:0;font-size:1.25rem;font-weight:700;color:var(--text-primary)}.topbar-meta{font-size:.8rem;color:var(--text-secondary);white-space:nowrap}.icon-btn{display:inline-flex;align-items:center;gap:.4rem;font-family:inherit;font-size:.8rem;font-weight:600;color:var(--text-secondary);background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:.375rem .75rem;cursor:pointer;transition:background-color .15s ease,color .15s ease}.icon-btn:hover:not(:disabled){background:var(--bg-app);color:var(--text-primary)}.icon-btn:disabled{opacity:.6;cursor:default}.brand-tag{font-size:.8rem;font-weight:600;color:var(--text-secondary);background:var(--bg-app);border:1px solid var(--border-subtle);padding:.375rem .75rem;border-radius:9999px}.brand-select,.filter-select{font-family:inherit;font-size:.8rem;padding:.375rem .75rem;border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:var(--bg-card);color:var(--text-primary);cursor:pointer}.section-heading{margin:0 0 1rem;font-size:1.25rem;font-weight:600;color:var(--text-primary)}.table-empty{text-align:center;color:var(--text-secondary);padding:2rem 1rem}.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,400px),1fr));gap:1.5rem;margin-bottom:2rem}.card-flush{padding:0}.card-flush .card-header{padding:1.5rem 1.5rem .5rem;margin-bottom:0}.banner{padding:.875rem 1rem;border-radius:var(--radius-md);margin-bottom:1.5rem;font-size:.875rem}.banner-error{background:#fee2e2;border:1px solid var(--danger);color:#991b1b}.loading-state{display:flex;align-items:center;justify-content:center;gap:1rem;min-height:50vh;color:var(--text-secondary)}@keyframes 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